# AIS Explorer vs ODNscan

The clearest difference is in-app purchases: ODNscan at none against AIS Explorer's 3. ODNscan also leads on ads (none vs shown). AIS Explorer's advantage is update cadence (monthly vs every 10 months) and iOS requirement (16.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. AIS Explorer sells 3 in-app purchases, starting at $49.00 per month. ODNscan asks for nothing beyond the download.

AIS Explorer ships an update monthly, ODNscan every 10 months. The most recent releases landed on October 14, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | AIS Explorer | ODNscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 17 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Ocean Data Network](https://appshunter.io/developer/1689000347) |

## What reviewers say

### AIS Explorer

[App page](https://appshunter.io/ios/app/ais-explorer/id1670774413)

Track ships and yachts globally in real-time with advanced satellite and terrestrial AIS receivers. Offers vessel search, favorites, port of call details, and integrated weather forecasts with routing for ETAs. Provides comprehensive satellite AIS data.

**Highlights:** Real-time Satellite AIS, Real-time Terrestrial AIS, Search Vessels, Save To Favourites, Last Port of Call, Advanced Weather Forecasts, Weather Routing - ETA

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIS Pro monthly | $49.00 | per month |
| AIS Pro 3 monthly | $99.00 | per 3 months |
| AIS Pro Annual | $249.00 | per year |


### ODNscan

[App page](https://appshunter.io/ios/app/odnscan/id6749337845)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AIS Explorer free?

AIS Explorer is free to download, with in-app purchases available.

### Is ODNscan free?

ODNscan is free to download, with no in-app purchases.

### Do AIS Explorer or ODNscan have ads?

AIS Explorer shows ads; ODNscan does not.

### Which is updated more often, AIS Explorer or ODNscan?

AIS Explorer ships an update monthly, and ODNscan every 10 months. Most recently, AIS Explorer was updated on October 14, 2026 and ODNscan on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*